A couple of months ago I was having trouble sleeping. After many sleep studies, I do not have sleep apnea but have oxygen desatuation. No doctor can figure out the problem. It is now affecting my brain where memory and concentration is a problem. The doctor is saying that I have slow circulation of oxygen in the brain. I am scared and since I have a stent, called cardiologist. He is saying to get my cholestrol down. I am frustrated... I am wondering if anyone with thyroid disease has experienced this.

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Years ago Before Thyroid blood tests, Doctors knew the connection between High Cholesterol and Low Thyroid (Hypothyroidism)

Doctors treated the Low Thyroid with Natural Desiccated (Pigs) Thyroid, the cholesterol would come back down to normal blood levels and 'low' thyroid levels would return to back up to normal levels.

Don't expect your Doctor to know the old Cholesterol/Hypothyroid link though

Your memory and brain concentration might be down to just brain fog, my brain fog actually lifted quickly (overnight,) once I was on adequate Thyroid medication.

Did you have any bloods done ?

Ask for a printout of your bloods and their (important) ranges and pop them up here on Thyroid UK.

If not you can get your bloods done privately, even finger prick blood tests done in your own home. (We have done them at home)

Then pop up your results on here Thyroid Uk where you will be guided far better than before. Thyroid Uk have helped many in my Family who have been over looked by Medics. I now self treat and feel almost back to normal as can be as do my other 'missed' family members.

Oxygen problems can be caused by low thyroid levels and also low iron levels.

Also B12 Deficiency mimics Low thyroid (Hypothyroidism.) Both B12 Deficiency and Low thyroid can present with symptoms of brain fog.

Thanks for your response. I have an appointment with a endocrinologist next week. I have seen numerous doctors and nothing. New cardiologist tomorrow. But, It appears that you understand my situation and with much prayers for you and me to have that full recovery.

A friend of mine has been suffering from breathlessness for some time, and been sent to heart and lung specialists for tests. All of these tests came back clear, and she is now having breathing exercise physio for something called hypercapnia. It means she is shallow breathing, and not getting enough oxygen to her lungs.

God so do I. I haven't had a good nights sleep since November. My cholesteral is out the window and I have gained about 25lb...which I hate. But, hopefully I can get to the bottom of what is happening. THX very much.

I am going to an endocrinologist on Monday with the hopes of a miracle. Of course all of the doctors are saying that I am in normal range...aint buying it. There is a problem...especially since I have nodules that I know about. I am also being told that I am borderline diabetic which i have never had a problem with before. This after having my gall bladder removed. It has taken me 3 months to get into see this guy. small town living. thanks!

Not even a TSH? That's unusual. 11.61 sounds low, but impossible to say without the range.

Whenever you have a blood test, always, always ask for a print out of the results - with the ranges. It's your legal right to have one, and you need to know exactly what has been tested, and what the results were. You just can't trust your doctor to know what he's doing when it comes to thyroid, I'm afraid.

B12 is often depleted after anaesthetic is used for surgery. That might well be the cause of your breathlessness. It was one of the earliest symptoms I had , that meant my B12 levels were falling dangerously low. Low B12 can often occur alongside thyroid problems. Hope your endocrinologist will do a full range of blood tests. Best wishes MariLiz